3rd Sustainment Crest "Heart of the Rock" (pair) Army Institute of Heraldry is

Army Institute of Heraldry is responsible for the design

9th Field Artillery Regiment Unit Crest (pair)

71st Cavalry Crest "Gallantly Forward" (pair)

9th Infantry Division Challenge Coin

3rd Sustainment Crest "Heart of the Rock" (pair) Army Institute of Heraldry is3rd Sustainment Crest "Heart of the Rock" (pair). A distinctive unit insignia (DUI) is a metallic heraldic badge or device worn by soldiers in the United States Army. The DUI design is derived from the coat of arms authorized for a unit. DUIs may also be called "distinctive insignia" (DI) or, imprecisely, a "crest" or a "unit crest" by soldiers or collectors. The U. S. Army Institute of Heraldry is responsible for the design, development and